# GrayMatter Robotics x 3M (Abrasives Strategic Partnership) revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Partnership: [GrayMatter Robotics x 3M (Abrasives Strategic Partnership)](/partnerships/graymatter-robotics-x-3m-abrasives-strategic-partnership.md)

## Recorded posture

- First recorded event: 2021-09-29
- Last material change: 2021-09-29
- Material event count: 1
- Editorial event count: 0

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point. Fields with no events post-baseline equal the current cached value and are not independently verified at any prior date.

_Canonical URL: /partnerships/graymatter-robotics-x-3m-abrasives-strategic-partnership/history. REST: /v1/partnerships/5d28ebaf-f2ed-4515-a07b-11f47132c53f/history. HTML: [/partnerships/graymatter-robotics-x-3m-abrasives-strategic-partnership/history](/partnerships/graymatter-robotics-x-3m-abrasives-strategic-partnership/history)._